Show Oldest Mountains in U. U S. S S Great Smoky Mountains National park has many advantages not the least of which is its proximity to the great centers of population in inthe inthe inthe the United States It is estimated that more than 60 million persons in eastern America are arc within 24 24 hours' hours travel time of this p pIa 1 a y ground It is the largest national park east of the Rocky mountains I and one of the nations nation's youngest It Itis Itis is 71 miles long nearly 20 miles I wide and contains acres It straddles the mile-high mile backbone of the Great which forms the boundary between Tennessee and North Carolina They are the oldest mountains in America and the high high- highest highest highest est mountain mass in eastern Amer ier ica lea There are 94 peaks more than feet In height 33 more than a amile amile amile mile high and 27 exceeding feet |